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Finding the Fourth Proportional to 88,310.70, 132,350.85 and 40,920.30

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Solution

The fourth proportional to 88,310.70, 132,350.85 and 40,920.30 is: 61,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,310.70 : 132,350.85 = 40,920.30 : x
  2. Step 2: Convert to fraction form
    88,310.70/132,350.85 = 40,920.30/x
  3. Step 3: Cross multiply
    88,310.70x = 132,350.85 × 40,920.30
  4. Step 4: Simplify right side
    88,310.70x = 5,415,836,487.26
  5. Step 5: Solve for x
    x = 5,415,836,487.26/88,310.70
  6. Step 6: Final answer
    x = 61,327.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.